import { $message } from "@mars/components/mars-ui"
import axios, { AxiosResponse, InternalAxiosRequestConfig } from "axios"
import { useUserStore } from "@mars/common/store/user"
import { getToken } from "@mars/utils/auth"
import { tansParams, blobValidate } from "@mars/utils/common"
import cache from "@mars/plugins/cache"
import { HttpStatus } from "@mars/enums/RespEnum"
import { errorCode } from "@mars/utils/errorCode"
import { encryptBase64, encryptWithAes, generateAesKey, decryptWithAes, decryptBase64 } from "@mars/utils/crypto"
import { encrypt, decrypt } from "@mars/utils/jsencrypt"
import { ElMessageBox } from "element-plus"


const encryptHeader = "encrypt-key"
// 是否显示重新登录
export const isRelogin = { show: false }
export const globalHeaders = () => {
  return {
    Authorization: "Bearer " + getToken(),
    clientid: import.meta.env.VITE_APP_CLIENT_ID
  }
}

axios.defaults.headers["Content-Type"] = "application/json;charset=utf-8"
axios.defaults.headers.clientid = import.meta.env.VITE_APP_CLIENT_ID
// 创建 axios 实例
const service = axios.create({
  baseURL: import.meta.env.VITE_APP_BASE_API,
  withCredentials: true,
  timeout: 50000
})

// 请求拦截器
service.interceptors.request.use(
  (config: any) => {

    const isToken = (config.headers || {}).isToken === false
    // 是否需要防止数据重复提交
    const isRepeatSubmit = (config.headers || {}).repeatSubmit === false
    // 是否需要加密
    const isEncrypt = (config.headers || {}).isEncrypt === "true"
    if (getToken() && !isToken) {
      config.headers.Authorization = "Bearer " + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    // get请求映射params参数
    if (config.method === "get" && config.params) {
      let url = config.url + "?" + tansParams(config.params)
      url = url.slice(0, -1)
      config.params = {}
      config.url = url
    }

    if (!isRepeatSubmit && (config.method === "post" || config.method === "put")) {
      const requestObj = {
        url: config.url,
        data: typeof config.data === "object" ? JSON.stringify(config.data) : config.data,
        time: new Date().getTime()
      }
      const sessionObj = cache.session.getJSON("sessionObj")
      if (sessionObj === undefined || sessionObj === null || sessionObj === "") {
        cache.session.setJSON("sessionObj", requestObj)
      } else {
        const s_url = sessionObj.url // 请求地址
        const s_data = sessionObj.data // 请求数据
        const s_time = sessionObj.time // 请求时间
        const interval = 500 // 间隔时间(ms)，小于此时间视为重复提交
        if (s_data === requestObj.data && requestObj.time - s_time < interval && s_url === requestObj.url) {
          const message = "数据正在处理，请勿重复提交"
          console.warn(`[${s_url}]: ` + message)
          return Promise.reject(new Error(message))
        } else {
          cache.session.setJSON("sessionObj", requestObj)
        }
      }
    }
    
    // 当开启参数加密
    if (isEncrypt && (config.method === "post" || config.method === "put")) {
      // 生成一个 AES 密钥
      const aesKey = generateAesKey()
      console.log(aesKey, "===========")
      config.headers[encryptHeader] = encrypt(encryptBase64(aesKey))
      config.data = typeof config.data === "object" ? encryptWithAes(JSON.stringify(config.data), aesKey) : encryptWithAes(config.data, aesKey)
     
    }
    
    // FormData数据去请求头Content-Type
    if (config.data instanceof FormData) {
      delete config.headers["Content-Type"]
    }
    return config
  },
  (error: any) => {
    console.log(error)
    return Promise.reject(error)
  }
)


// 响应拦截器
service.interceptors.response.use(
  
  (res: AxiosResponse) => {
    // 加密后的 AES 秘钥
    const keyStr = res.headers[encryptHeader]
    // 加密
    if (keyStr) {
      const data = res.data
      // 请求体 AES 解密
      const base64Str = decrypt(keyStr)
      // base64 解码 得到请求头的 AES 秘钥
      const aesKey = decryptBase64(base64Str.toString())
      // aesKey 解码 data
      const decryptData = decryptWithAes(data, aesKey)
      // 将结果 (得到的是 JSON 字符串) 转为 JSON
      res.data = JSON.parse(decryptData)
    }
    // 未设置状态码则默认成功状态
    const code = res.data.code || HttpStatus.SUCCESS
    // 获取错误信息
    const msg = errorCode[code] || res.data.msg || errorCode.default
    // 二进制数据则直接返回
    if (res.request.responseType === "blob" || res.request.responseType === "arraybuffer") {
      return res.data
    }
    if (code === 401) {
      // prettier-ignore
      if (!isRelogin.show) {
        console.log("code======", code)
        // isRelogin.show = true
        // ElMessageBox.confirm("登录状态已过期，您可以继续留在该页面，或者重新登录", "系统提示", {
        //   confirmButtonText: "重新登录",
        //   cancelButtonText: "取消",
        //   type: "warning"
        // }).then(() => {
          isRelogin.show = false
          const userStore = useUserStore()
          userStore.dispatch("logout").then(() => {
              location.href = import.meta.env.VITE_BASE_URL
            })
        // }).catch(() => {
        //   isRelogin.show = false
        // })
      }
      return Promise.reject(new Error("无效的会话，或者会话已过期，请重新登录。"))
    } else if (code === HttpStatus.SERVER_ERROR) {
      console.log(msg)
      $message(msg, "error")
      return Promise.reject(new Error(msg))
    } else if (code === HttpStatus.WARN) {
      $message(msg, "warning")
      return Promise.reject(new Error(msg))
    } else if (code !== HttpStatus.SUCCESS) {
      $message(msg, "error")
      // ElNotification.error({ title: msg })
      return Promise.reject(new Error("error"))
    } else {
      return Promise.resolve(res.data)
    }
  },
  (error: any) => {
    let { message } = error
    if (message === "Network Error") {
      message = "后端接口连接异常"
    } else if (message.includes("timeout")) {
      message = "系统接口请求超时"
    } else if (message.includes("Request failed with status code")) {
      message = "系统接口" + message.substr(message.length - 3) + "异常"
    }
    $message(message, "error")
    return Promise.reject(error)
  }
)

// 导出 axios 实例
export default service


// export async function requestHttp(options: RequestOptionLocal) {
//   const { data } = await instance.request(options)
//   return data
// }
